Sakuga Thread #1

So here's an attempt at to get some long term Sakuga discussion going here.

Some Links:
The Sakuga Wiki [JP] - http://www18.atwiki.jp/sakuga/
ANN - http://www.animenewsnetwork.com/encyclopedia/

English Sakuga Blogs:
http://aninomiyako.wordpress.com/
http://www.pelleas.net/aniTOP/

English Sakuga Twitters:
http://twitter.com/raito_kun
http://twitter.com/Duune99
http://twitter.com/kyouray
http://twitter.com/catsuka

To start things off, here's a Summer Wars MAD with Key animator's listed:
http://www.youtube.com/watch?v=hpoHxWV3IG0

In relation to Japanese animation, what does "timing" mean? Like they say certain good and unique animators have different types of timings and others who use their styles will be said to have been using the "Itano timing" or the "Kanada timing" etc..